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Finding the Fourth Proportional to 473,533.87, 653,491.10 and 258,687.77

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Solution

The fourth proportional to 473,533.87, 653,491.10 and 258,687.77 is: 356,996.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    473,533.87 : 653,491.10 = 258,687.77 : x
  2. Step 2: Convert to fraction form
    473,533.87/653,491.10 = 258,687.77/x
  3. Step 3: Cross multiply
    473,533.87x = 653,491.10 × 258,687.77
  4. Step 4: Simplify right side
    473,533.87x = 169,050,155,373.85
  5. Step 5: Solve for x
    x = 169,050,155,373.85/473,533.87
  6. Step 6: Final answer
    x = 356,996.97

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.